During the first interactions with the player, she speaks in a unique "language", a mixture of British English and gibberish. However, towards the end of the quest, this is revealed to be a ruse pulled off by the two sisters as a joke.

The Varrock Census shows us that the Grime Sisters' professions are "withheld". This might mean that Phingspet had a "top secret" job in 160's, she was nowhere to be found when the census was written, or she simply didn't have one worth reporting.